NEET Physics: Electronic Devices — MCQ Test 9

Q6. The current in a forward-biased p-n junction diode is primarily due to:

Q7. A germanium diode has a threshold voltage of approximately:

Q8. In a p-n junction, the positive space-charge region is located on:

Q9. The number of valence electrons in Si and Ge atoms is:

Q10. In a rectifier with a capacitor filter, the capacitor discharges through:

NEET Physics — Electronic Devices

Free MCQ Test 9 of 9

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Medium

The conductivity of an extrinsic semiconductor increases due to:

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About this NEET MCQ Test

This page provides a free online MCQ test for NEET Physics preparation, focusing specifically on the chapter Electronic Devices. It contains 10 carefully selected multiple-choice questions (MCQs) designed to test your conceptual understanding and exam readiness.

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Key concepts covered in this specific test include Conductivity, Extrinsic, Semiconductor, Increases, Direction, and Conventional.

Taking these timed MCQ tests helps you simulate the real NEET exam environment. Detailed step-by-step explanations are provided for every question to help you learn from your mistakes and strengthen your fundamentals.

Preview of Questions in this Test

Q1. The conductivity of an extrinsic semiconductor increases due to:

  • A. Addition of impurities
  • B. Temperature decrease
  • C. Reduction in impurities
  • D. Increased recombination

Q2. The direction of conventional current in a forward-biased diode is:

  • A. P-side to n-side
  • B. N-side to p-side
  • C. Random direction
  • D. No current flows

Q3. Which property distinguishes insulators from semiconductors?

  • A. Resistivity
  • B. Energy gap
  • C. Valence electrons
  • D. Conductivity

Q4. The thickness of the depletion region in a p-n junction is typically:

  • A. Several millimeters
  • B. One-tenth of a micrometer
  • C. A few centimeters
  • D. One micrometer

Q5. The negative space-charge region in a p-n junction is located on:

  • A. N-side
  • B. Both sides
  • C. P-side
  • D. Neutral region

+ 5 more questions in the actual test

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